Ancient Killer Bug Thrives in Shadow of Canary Wharf

In the shadows of some of London’s tallest skyscrapers and richest banks lurks a disease borne of the poverty and squalor usually associated with the Victorian era rather than a 21st-century financial capital.

Tuberculosis is staging a comeback in London, where some neighborhoods suffer infection rates found in African countries in which the disease is endemic. The number of cases surged 50 percent in the 10 years to 2009, according to a National Health Service agency.